The RM-3 Rackmount 20W Speaker System from Fostex is designed to fit the monitoring needs of space-challenged environments like machine rooms, surveillance operations, and mobile or stationary control rooms. The unit accepts both digital and analog source inputs for compatibility with a wide range of systems, while featuring a THRU output that allows you to send the audio to another destination. Dual anti-magnetic cone speakers provide playback, with the option of using the headphone jack for quiet monitoring.